The host port interface(HPI) are an 8-bit parallel port used to interface a host processor or device to the Texas Instruments(TI) digital signal processor(DSP).

• HPI是TI公司数字信号处理器(DSP)中用于和主机进行双向数据通信的8位并行接口,HPI使DSP与主机接口电路简单,不需要附加外部的接口逻辑。